Install only if you can read "தமிழ் மொழி இனியது". If you see BOXES, your device does NOT support Tamil. Steps. 1. Goto Settings - Language and Keyboards. 2. Enable Just Tamil. 3. Select "Input method" - then JustTamil. Works only if. 1. Tamil Font Installed. 2. Device Complex Font Rendering. Latest Indian firmwares supports these. All Device above 4. 0 Ice cream Sand-witch.